package backend.Java_Demo.wen.array;

public class ArrayDemo04 {
    public static void main(String[] args) {
        int[] arrays = {1,2,3,4,5};

        //JDK1.5        没有下标
        for (int array : arrays) {
            System.out.println(array);
        }

        //printArray(arrays);

        int[] reverse = reverse(arrays);
        printArray(reverse);

    }

    //反转数组
    public static int[] reverse(int[] arrays){
        int [] result = new int[arrays.length];

        //反转的操作
        for (int i = 0,j=result.length-1; i < arrays.length; i++,j--) {
            result [j] = arrays[i];
        }
        return result;
    }

    //打印数组元素
    public static void printArray(int[] arrays){
        for (int i = 0; i <arrays.length ; i++) {
            System.out.print(arrays[i]+" ");
        }
    }


}

